'Familiarity' definitions:

Definition of 'familiarity'

From: WordNet
noun
Personal knowledge or information about someone or something [syn: acquaintance, familiarity, conversance, conversancy]
noun
Usualness by virtue of being familiar or well known [ant: strangeness, unfamiliarity]
noun
Close or warm friendship; "the absence of fences created a mysterious intimacy in which no one knew privacy" [syn: familiarity, intimacy, closeness]
noun
A casual manner [syn: casualness, familiarity]
noun
An act of undue intimacy [syn: familiarity, impropriety, indecorum, liberty]

Definition of 'Familiarity'

From: GCIDE
  • Familiarity \Fa*mil`iar"i*ty\, n.; pl. Familiarities. [OE. familarite, F. familiarit['e]fr. L. faniliaritas. See Familiar.]
  • 1. The state of being familiar; intimate and frequent converse, or association; unconstrained intercourse; freedom from ceremony and constraint; intimacy; as, to live in remarkable familiarity. [1913 Webster]
  • 2. Anything said or done by one person to another unceremoniously and without constraint; esp., in the pl., such actions and words as propriety and courtesy do not warrant; liberties.
  • Syn: Acquaintance; fellowship; affability; intimacy. See Acquaintance. [1913 Webster]